CSS :: General Agriculture
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For students in search of
- Hydroponic Gardening
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Guides - Basics to Experts level
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Growing fruit and vegetables hydroponically
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Practical daily questions or queries of hydroponics lovers
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Current Hydroponics and Indoor Gardening Market Growth as well as Trends
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1. |
Percentage of protein in fish is: |
A. |
Less than 30 |
B. |
30 - 35 |
C. |
35 - 40 |
D. |
Above 40 |
Answer: Option A
Explanation:
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2. |
(A x B) x C is: |
A. |
Single cross |
B. |
Double cross |
C. |
Three way cross |
D. |
Top cross |
Answer: Option C
Explanation:
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3. |
______ is gram-positive: |
A. |
Xanthomonas |
B. |
Corynebacterium |
C. |
Pseudomonas |
D. |
Erwinia |
Answer: Option B
Explanation:
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4. |
_______ convert nitrite (NO2) compounds into nitrates (NO3): |
A. |
Nitrobacter |
B. |
Nitrosomonas |
C. |
Rhizobium |
D. |
Azotobacter |
Answer: Option A
Explanation:
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5. |
_______ converts ammonia into nitrite: |
A. |
Nitrobacter |
B. |
Nitrosomonas |
C. |
Rhizobium |
D. |
Azotobacter |
Answer: Option B
Explanation:
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6. |
_______ the physical methods used for controlling nematodes: |
A. |
Heat |
B. |
Radiation |
C. |
Osmotic pressure |
D. |
All of the above |
Answer: Option D
Explanation:
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7. |
Alley cropping' means: |
A. |
Growing of pastures in between two widely spaced rows of fast growing trees |
B. |
Growing of field crops in between two widely spaced rows of fast growing trees |
C. |
Growing of only short duration crops in between two widely spaced rows of fast growing trees |
D. |
Growing of only fooder crops in between two widely spaced rows of first growing trees |
Answer: Option B
Explanation:
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8. |
Which one of the following statement is correct? |
A. |
Blue green algae fix 20-30 kg N/ha in a rice field |
B. |
Blue green algae fix 40-50 kg N/ha in a rice field |
C. |
Blue green algae fix 8-10 kg N/ha in a rice field |
D. |
Blue green algae fix 60-70 kg N/ha in a rice field |
Answer: Option A
Explanation:
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9. |
Ascent of cell sap' from root to the treetop is exercised by: |
A. |
Phloem |
B. |
Xylem |
C. |
Cambium cell |
D. |
Lanticles |
Answer: Option B
Explanation:
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10. |
Which one of the following seed rate (kg/ha) is not correctly matched with crop? |
A. |
Wheat = 100 |
B. |
Urd = 20 |
C. |
Maize = 18 |
D. |
Mustard = 20 |
Answer: Option D
Explanation:
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